Teknik Özellikler
MT25QL256ABA1EW9‑0SIT is a high-performance 256Mb (32MB) multi-I/O Serial NOR Flash memory manufactured by Micron Technology for embedded firmware storage, FPGA configuration and industrial non-volatile data loggingMicron Technology.
Soneklerin Ayrıntılı İncelemesi
- MT25QL: Micron 3V quad SPI serial NOR Flash family
- 256: 256 Megabit memory density
- ABA: Generation revision with HOLD# pin definition
- EW9: Die & wafer process variant
- 0SIT: Industrial temperature grade (-40°C ~ +85°C), 8-WPDFN surface-mount package, tape-and-reel bulk packaging
- Tape reel full order part: MT25QL256ABA1EW9‑0SIT-TR
1. Core Memory & Interface Specifications
Memory Density & Organization
- Total capacity: 256Mb = 32 MB (64M × 4-bit / 32M × 8-bit)
- Block structure: 64 KB main erase sectors; supports 4 KB / 32 KB sub-sector partial erase for flexible data management
- 256-byte page programming buffer; page program time typical 2.8 ms, max 8 ms
- 64 bytes factory OTP (One-Time Programmable) memory for unique serial ID, MAC address or calibration lock data
Multi-Mode SPI Bus Interface
- Fully compatible with standard Single SPI, Dual I/O SPI, Quad I/O SPI
- STR (Single Transfer Rate) max clock: 133 MHz
- DTR (Dual Transfer Rate) max clock: 90 MHz
- Quad SPI maximum read throughput up to 90 MB/s for fast firmware boot and XIP (Execute-In-Place) operation
- Dedicated hardware pins: /CS, SCK, IO0~IO3, /WP, /HOLD, /RESET for simplified PCB layout
- Supports program/erase suspend/resume to prioritize critical read operations during flash updates
2. Electrical Operating Parameters
- Supply voltage range: 2.7 V ~ 3.6 V (nominal 3.3 V industrial logic rail)
- Typical read current: 15 mA; standby leakage current < 10 μA
- Full static power-down mode with sub-microamp consumption for battery-powered IoT nodes
- Integrated high-voltage charge pump inside chip, no external high-voltage supply required for programming/erasing
3. Reliability & Write Protection Features
- Endurance rating: Minimum 100,000 program/erase cycles per sector
- Data retention: Minimum 20 years at 85°C operating temperature
- Multi-layer hardware write protection:
- Hardware /WP pin lock to block programming
- Software block protection bits to lock arbitrary memory sectors
- Global write protect lock bit to secure entire flash against accidental overwrite
- Built-in power failure protection mechanism to avoid corrupted pages during sudden power loss
- Industrial-grade ESD tolerance on all signal pins for harsh factory wiring environments
4. Environmental & Package Ratings
- Operating temperature grade: Industrial -40°C to +85°C
- Moisture sensitivity level: MSL 3 (168-hour floor life before reflow soldering)
- Fully RoHS lead-free, halogen-free and REACH compliant green packaging
- Package type: 8-pin WPDFN exposed thermal pad surface mount
- Package dimension: 8.0 mm × 6.0 mm × 0.8 mm ultra-thin compact footprint
- Standard tape-and-reel shipment: 4000 units per reel for automated SMT mass production
Tipik Uygulamalar
- FPGA/SoC configuration flash for Xilinx, Intel and Microchip industrial programmable logic controllers
- Embedded MCU firmware storage for industrial PLC, servo drives and edge gateway equipment
- IoT wireless sensor nodes, smart home devices and wearable battery-powered terminals
- Network switches, Ethernet controllers and communication module bootloader & parameter storage
- Medical portable diagnostic instruments requiring long-term non-volatile log retention
- Automotive auxiliary ECU, infotainment and telematics configuration memory
- Digital signage, POS payment terminals and handheld test & measurement instruments
- Audio DSP equipment, MIDI controllers and embedded Linux single-board computer boot storage
LXB Semicon supplies original Micron MT25QL256ABA1EW9‑0SIT industrial-grade 32MB Quad SPI Serial NOR Flash memory chip
